/*
* Copyright 2001-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.tools.ant.taskdefs.compilers;
import java.lang.reflect.Method;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.types.Commandline;
import org.apache.tools.ant.types.Path;
/**
* The implementation of the Java compiler for KJC.
* This is primarily a cut-and-paste from Jikes.java and
* DefaultCompilerAdapter.
*
* @author <a href="mailto:tora@debian.org">Takashi Okamoto</a>
* @since Ant 1.4
*/
public class Kjc extends DefaultCompilerAdapter {
/**
* Run the compilation.
*
* @exception BuildException if the compilation has problems.
*/
public boolean execute() throws BuildException {
attributes.log("Using kjc compiler", Project.MSG_VERBOSE);
Commandline cmd = setupKjcCommand();
try {
Class c = Class.forName("at.dms.kjc.Main");
// Call the compile() method
Method compile = c.getMethod("compile",
new Class [] {String [].class});
Boolean ok =
(Boolean) compile.invoke(null,
new Object[] {cmd.getArguments()});
return ok.booleanValue();
} catch (ClassNotFoundException ex) {
throw new BuildException("Cannot use kjc compiler, as it is not "
+ "available. A common solution is to "
+ "set the environment variable CLASSPATH "
+ "to your kjc archive (kjc.jar).",
location);
} catch (Exception ex) {
if (ex instanceof BuildException) {
throw (BuildException) ex;
} else {
throw new BuildException("Error starting kjc compiler: ",
ex, location);
}
}
}
/**
* setup kjc command arguments.
*/
protected Commandline setupKjcCommand() {
Commandline cmd = new Commandline();
// generate classpath, because kjc doesn't support sourcepath.
Path classpath = getCompileClasspath();
if (deprecation == true) {
cmd.createArgument().setValue("-deprecation");
}
if (destDir != null) {
cmd.createArgument().setValue("-d");
cmd.createArgument().setFile(destDir);
}
// generate the clsspath
cmd.createArgument().setValue("-classpath");
Path cp = new Path(project);
// kjc don't have bootclasspath option.
if (bootclasspath != null) {
cp.append(bootclasspath);
}
if (extdirs != null) {
cp.addExtdirs(extdirs);
}
cp.append(classpath);
if (compileSourcepath != null) {
cp.append(compileSourcepath);
} else {
cp.append(src);
}
cmd.createArgument().setPath(cp);
// kjc-1.5A doesn't support -encoding option now.
// but it will be supported near the feature.
if (encoding != null) {
cmd.createArgument().setValue("-encoding");
cmd.createArgument().setValue(encoding);
}
if (debug) {
cmd.createArgument().setValue("-g");
}
if (optimize) {
cmd.createArgument().setValue("-O2");
}
if (verbose) {
cmd.createArgument().setValue("-verbose");
}
addCurrentCompilerArgs(cmd);
logAndAddFilesToCompile(cmd);
return cmd;
}
}